package Array.overload;

public class Demo5Debug {
    public static void main(String[] args){
        int number = 100;
        System.out.println("调用前："+number);
        int i=app(number);
        System.out.println("调用后："+i);
    }

    public static int app(int number){
        number = 200;
        return number;
    }
}
